condition mean min max Sterile Frond 0.15471166666666666 0.0 0.464135 Fertile Frond 0.2439579 0.024609 0.651779 Young Stem with Root 0.04700133333333333 0.0 0.141004 Mature Stem with Root 2.711618 0.0 8.01035 Root 0.12208166000000001 0.00997178 0.312419